Surgery – Blood vessel or graft preparation
Reexamination Certificate
2000-11-15
2003-02-04
Lacyk, John P. (Department: 3736)
Surgery
Blood vessel or graft preparation
C128S126100, C623S001210
Reexamination Certificate
active
06514196
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to medical grafting methods and apparatus, and more particularly to methods and apparatus for installing tubular bypass grafts intralumenally.
Goldsteen et al. U.S. Pat. No. 5,976,178 shows, among other things, methods and apparatus for installing tubular bypass grafts intralumenally. (The Goldsteen et al. reference is hereby incorporated by reference herein in its entirety.) The Goldsteen et al. reference shows methods and apparatus in which each end of the graft site is approached separately and intralumenally, penetrated, and then a longitudinal structure (e.g., element 150 in the Goldsteen et al. reference) is established between the ends of the graft site. This longitudinal structure may extend intralumenally all the way out of the patient's body from both ends of the graft site. The graft is fed into the patient's body intralumenally along the longitudinal structure until it is in the desired position extending from one end of the graft site to the other. Each end of the graft is then secured at respective end of the graft site and the longitudinal structure is withdrawn from the patient.
It may not be necessary or desirable in some cases to separately approach both ends of the graft site.
It is therefore an object of this invention to provide improved methods and apparatus for intralumenal installation of bypass grafts.
It is a more particular object of this invention to provide methods and apparatus for intralumenally installing bypass grafts which do not require both ends of the graft site to be separately approached intralumenally.
SUMMARY OF THE INVENTION
These and other objects of the invention are accomplished in accordance with the principles of the invention by providing methods and apparatus for allowing a longitudinal structure to be extended intralumenally to one end of a graft site. At that end of the graft site the longitudinal structure passes out of the body structure lumen and extends extralumenally to the other end of the graft site. At the other end of the graft site, the longitudinal structure re-enters the body structure lumen. The graft is introduced intralumenally along the longitudinal structure until it passes out of the body structure lumen at the first end of the graft site and extends to the second end of the graft site. Both ends of the graft are then secured at the respective opposite ends of the graft site, and the longitudinal structure is axially withdrawn from the patient.
Further features of the invention, its nature and various advantages will be more apparent from the accompanying drawings and the following detailed description of the preferred embodiments.
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Bachinski Thomas J.
Goldsteen David S.
Sullivan Daniel J.
Aldridge Jeffrey C.
Fish & Neave
Jackson Robert R.
Lacyk John P.
St. Jude Medical ATG Inc.
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